UM
203
6
Schematics
DocID029
088 Re
v 3
67
/80
Figure 34. STM32F779I-EVAL RS-232
10
17
RS232
MB1219
B.1
2016/4/26
Title:
Size:
Reference:
Date:
Sheet:
of
A4
Revision:
STM32F779I-EVAL
Project:
RS232_TX
RS232_RX
+3V3
+3V3
Bootloader_BOOT0
Bootloader_RESET
PA9
PA10
RXD
TXD
CTS
DSR
RS232
C133
100nF
C25
100nF
C132
100nF
C131
100nF
C26
100nF
C2+
1
C2-
2
V-
3
R1IN
4
R2IN
5
R3IN
6
R4IN
7
R5IN
8
T1OUT
9
T2OUT
10
T3OUT
11
T3IN
12
T2IN
13
T1IN
14
R5OUT
15
R4OUT
16
R3OUT
17
R2OUT
18
R1OUT
19
R2OUTB
20
R1OUTB
21
nSHDN
22
nEN
23
C1-
24
GND
25
VCC
26
V+
27
C1+
28
U5
ST3241EBPR
1
6
2
7
3
8
4
9
5
CN7
DB9-male USART1
JP11